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Global rank
AI visibility
SEO health
Visits
per month, estimated
Keywords
ranking in Google
Organic share
of all search traffic
LLMS.txt
lines AI engines can read
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Keywords & Content
Site & Competitors
Building this domain's report…
Global rank
AI visibility
SEO health
Visits
per month, estimated
Keywords
ranking in Google
Organic share
of all search traffic
LLMS.txt
lines AI engines can read
Global rank: Worldwide · 2026-08
#3,453
AI visibility: Grade A+
95
SEO health: Latest audit
83
Visits
111.9K
per month, estimated
Keywords
18.4K
ranking in Google
Organic share
100%
111.9K organic visits
LLMS.txt
Published
135 lines AI engines can read
You're seeing the free preview of worldcat.org
A snapshot of how worldcat.org performs in search and in AI answers — every number below is one we hold, not a guess.
What this company does
WorldCat.org operates as a large shared catalog that pulls together holdings information from libraries worldwide. A person can search for books, music, videos, articles, and other items and see which libraries near them own a copy. The service gathers records from many different institutions into one place, so users avoid having to visit each library website on its own to find out what is available locally. The sit…
Our read on the site
The overall SEO health of WorldCat.org is strong, particularly in accessibility and SEO scores. However, there are significant opportunities for performance improvement and content expansion to enhance user engagement and search visibility.
Month by month, how much search traffic this domain earns — how much of it is free, and whether it is winning or losing ground.
Monthly visits
111.9K
Latest estimate
Change
No monthly history yet
It starts building from the first scan
Organic visits
111.9K
100% of all traffic
Paid visits
Whether AI engines can read this brand, understand it, and cite it when someone asks about its category.
Grade A+
Scored from this domain's own data — llms.txt, profile completeness, technical health, crawlability and structured data.
The file AI engines read to understand a business. This is what it currently tells them about this one.
Status
Published
AI engines can read it
Lines
135
In the file
Size
5.9K
Characters
Sections
12
The searches this domain already ranks for, and how much traffic they bring it.
Ranking keywords
18.4K
Found in Google for this domain
Visits they bring
111.9K
Estimated organic visits a month
No ranked-keyword data cached for this domain yet.
Ranked Keywords pulls the full list on its first run.
How the site itself performs — speed, accessibility and the technical basics both search crawlers and AI crawlers depend on.
Overall
SEO
Excellent
The websites this domain competes with for the same searches and the same AI answers.
The business behind the domain — what it does, where it is, and who runs it.
WorldCat.org operates as a large shared catalog that pulls together holdings information from libraries worldwide. A person can search for books, music, videos, articles, and other items and see which libraries near them own a copy. The service gathers records from many different institutions into one place, so users avoid having to visit each library website on its own to find out what is available locally. The sit…
Which markets this brand actually serves, and where the web links to it from.
We only measure visitor geography for domains whose analytics are connected to us. For everyone else this is read live from the web and shown as an estimate — never mixed in with the measured numbers.
No market breakdown available for this brand.
Measured. The country each linking site is hosted in — a real signal of which regions know this brand.
No backlink sample for this domain yet.
Backlink Analytics collects one on its first run.
Who vouches for this domain. Strong, varied links are still the clearest signal of authority — to search engines and to AI engines that cite sources.
We haven't run a backlink crawl for worldcat.org yet, so there are no link counts to show. Backlink Analytics builds the profile on its first run and it appears here after that.
—
links on file
Neighbours of #3,453 in our worldwide ranking — each with its own report.
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34
0.03% of its search traffic
100%
0%
We don't hold a month-by-month history for this domain yet.
The traffic dashboard builds one from the first scan onwards.
Present
7/8 core fields
92/100
robots ✓ · sitemap ✓
Detected
Fix these first
Updated Mar 6, 2026
# WorldCat - Global Library Catalog ## About WorldCat is a global catalog of library materials, enabling users to search for books, music, videos, articles, and more at libraries nearby. It connects millions of users worldwide to library resources, enhancing the discoverability of materials and promoting the value of library services in the digital age. By aggregating data from libraries across the globe, WorldCat serves as a vital tool for researchers, students, and library enthusiasts. The platform also offers mobile access and cataloging services to support libraries and users alike. **Areas of Work:** Library Services, Information Technology, Cataloging ## Things to Remember - **Website:** https://worldcat.org - **Address:** 6565 Kilgour Place, Dublin, OH 43017, United States - **Contact:** [email protected] - **Phone:** +1-614-764-6000 - **Hours:** Mon-Fri: 9AM-5PM - **Timezone:** America/New_York - **Currency:** USD - **Company Type:** Private - **Employees:** 200 employees - **Revenue:** Not Disclosed - **Hiring Status:** Yes, actively hiring ## Products - **WorldCat Search** (Free): A comprehensive search tool to find books, articles, and media in libraries worldwide. - **WorldCat Mobile App** (Free): A mobile application for on-the-go access to library catalogs and resources. - **WorldCat Discovery** (Contact for pricing): An advanced discovery platform for librari
Sections in the file
Areas of work
Keywords it claims
Technologies
Performance
Accessibility
Excellent
8 more recommendations, with the exact changes and the pages they apply to, are in the full report.
Products it tells AI about
Audience it targets
Students, Researchers, Librarians, Educators, General Public · All ages · Global
Company type
Private · actively hiring